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CVE-2023-23602 - Thunderbird, Firefox
#1 · 2. Juni 2023, 0:00
A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1800890
https://www.mozilla.org/security/advisories/mfsa2023-01/
https://www.mozilla.org/security/advisories/mfsa2023-02/
https://www.mozilla.org/security/advisories/mfsa2023-03/